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<head>
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    *{
        margin: 0px;
    }
    /* 顶部部分 */
    .topnav{
        margin-top: 30px;
        display: flex;
        flex-direction: row; 
		justify-content:space-around;
        font-weight: 600;
    }
    .topnav img:nth-child(1){
        width: 20px;
        height: 20px;
        position: relative;
        left: -30px;
    }
    .topnav span:nth-child(2){
        font-size: 20px;
        color: #505050;
    }
    .topnav img:nth-child(3){
        width: 20px;
        height: 20px;
        position: relative;
        left: 30px;
    }
    .picture{
        margin-top:20px;
        height: 208px;
    }
    /* 子导航 */
    .subnav{
        display: flex;
        justify-content: space-around;
        margin-top: 15px;
        color: #505050;
    }
    .subnav span:nth-child(1){
        color: #33b17b;
    }
    /* 分割线 */
    .line{

    }
    .line1{
        height: 2px;
        width: 60px;
        background-color: #33b17b;
        position: relative;
        left: 160px;
        top: 2px;
    }
    
    /* 栏目1 */
    .column1{
        height: 50px;
        background-color: #f2f4f8;
        font-size: 18px;
        line-height: 55px;
        color: #505050;
    }
    .column1>img{
        height: 25px;
        width: 25px;
        position: relative;
        left: 45px;
        top: 6px;
    }
    /* 栏目2 */
    .kuang{
        height: 20px;
        width: 40px;
        border: 2px solid #505050;
        border-radius: 5px;
        text-align: center;
        color: #505050;
        margin-left: 10px;
    }
    .column2{
        height: 70px;
        font-size: 18px;
        color: #505050;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        align-content: center;

    }
    .text{
        margin-left: 60px;
        margin-top: -25px;
    }
    /* 可试看 */
    .container{
        display: flex;
        flex-direction: column;

    }
    .text1{
        color: #33b17b;
        margin-top: -90px;
        margin-left: 300px;
        line-height: 20px;
    }
    .container>img{
        height: 20px;
        width: 20px;
        margin-top: 165px;
        margin-left: 310px;
    }
    /* 底部部分 */
    .bottom{
        display: flex;
        justify-content: space-around;
        margin-top: 100px;
    }
    .bottom_1{
        height: 60px;
        width: 25%;
        border:2px solid #f2f4f8;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        color: #505050;
    }
    .bottom_1>img{
        height: 30px;
        width: 30px;
    }
    .bottom_2{
        height: 60px;
        width: 50%;
        background-color: #ea5235;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        color: white;
    }
    .bottom_2>img{
        height: 30px;
        width: 30px;
    }
</style>
<body>
    <!-- 顶部部分 -->
    <div class="topnav">
        <img src="../jpg/返回.png" >
        <span>课程详情</span>
        <img src="../jpg/分享.png">
    </div>
    <img class="picture" src="../jpg/理财.jpg">
    <!-- 子导航 -->
    <div class="subnav">
        <span>介绍</span>
        <span>目录</span>
        <span>评价</span>
    </div>
    <!-- 分割线 -->
    <div class="line1"></div>
    <!-- 栏目1 -->
    <div class="column1">
        <span>【简七理财】新手地图：和钱做朋友</span>
        <img src="../jpg/收起.png">
    </div>
    <!-- 栏目2 -->
    <div class="column2">
        <span class="kuang">PDF</span>
        <span>1.【注意】课程勘误汇总-2016214</span>

    </div>
    
    
    <!-- 栏目3 -->
    <div class="column2">
        <span class="kuang">视频</span>
        <p class="text">2.1.1跟简七学理财 导学课【购买前必读，免费试学】</p>
        
    </div>

    <!-- 栏目4 -->
    <div class="column2">
        <span class="kuang">视频</span>
        <p>3.1.2让你变穷的四个方法【免费试学】</p>
    </div>

    <!-- 栏目5 -->
    <div class="column2">
        <span class="kuang">视频</span>
        <p>4.1.3做个有钱人之金钱的秘密</p>
        
    </div>
    <!-- 可试看 -->
    <div class="container">
        <span class="text1">可试看</span>
        <span class="text1">可试看</span>
        <span class="text1">可试看</span>
        <img src="../jpg/锁.png" alt="">
    </div>
    <!-- 底部部分 -->
    <div class="bottom">
        <div class="bottom_1">
            <img src="../jpg/意见.png">
            <span>咨询</span>
        </div>
        <div class="bottom_1">
            <img src="../jpg/想要.png">
            <span>想学</span>
        </div>
        <div class="bottom_2">
            <img src="../jpg/加入.png">
            <span>加入学习</span>
        </div>
         
    
    </div>
</body>
</html>